Question

What is the function of myelin in nerve cells?

1 insulates nerve cells, greatly increasing the speed at which impulses travel
2 insulates nerve cells, greatly decreasing the speed at which impulses travel
3 insulates the brain, protecting it from damage
4 connects nerve cells to each other

A patient who was in a car accident has lost their sense of smell. Which part of the
brain is likely injured?
A brain stem
B cerebellum
C cerebrum
D medulla

Answer 1

1 and C

Step-by-step explanation:

myelin creates capsules making the speed at which impulses travel faster, compared to non-myelinized fibres

C because sense of smell is located in the brain, cerebrum